>> TILES CONFIGURATION MANUALTable of contents 
3.4 Embed a PDF file

To create a tile displaying a specific PDF file, paste the file URL into the tile's "URL" setting and set the tile's "Target" to "Embedded".
You also can opt to open the PDF file in a SharePoint dialog window by setting the "Target" to "Dialog".

PDF File example:



URL:https://somedomain/Shared Documents/SomePDF.pdf
Target:Embedded